Chris,
I wasn't thinking about the DOS, but rather the ability of karlnet to
change the DSSS code to completely remove that possibility and maybe
prevent it from being sniffed using kismet
Dan
> -----Original Message-----
> From: karlnet-bounces@WISPNotes.com
[mailto:karlnet-bounces@WISPNotes.com] On
> Behalf Of Chris Conn
> Sent: Thursday, May 13, 2004 1:55 PM
> To: Karlnet Mailing List
> Subject: Re: [Karlnet] RE: [isp-wireless] Re: DSSS security hole
anounced
>
> Of course I still monitor the list, we still utilise Karlnet
extensively!
>
> Probably right Mr Metcalf that the PHY layer can be denied service
using
> this method. That is assuming that the Turbocell protocol actually
> defers eternally, although I believe Karlnet has put a maximum radio
> deferral time way back in version 3.75 =) It may slow things down a
bit
> perhaps. I don't really consider the Karlnet MAC to be very compliant
> with any real standard.
>
> Chris
>
>
> Support wrote:
>
> > Thanks for the reply Chris, nice to know you are still monitoring
the list.
> > RLM
> >
> > -----Original Message-----
> > From: karlnet-bounces@WISPNotes.com
> > [mailto:karlnet-bounces@WISPNotes.com]On Behalf Of Chris Conn
> > Sent: Thursday, May 13, 2004 1:35 PM
> > To: Karlnet Mailing List
> > Subject: Re: [Karlnet] RE: [isp-wireless] Re: DSSS security hole
> > anounced
> >
> >
> > This vulnerability requires the device to use Carrier Sense Multiple
> > Access with Collision Avoidance, the key here being the Collision
> > Avoidance. Karlnet does not use CA since it is based on a polling
MAC
> > and therefore does not utilize CSMA/CA.
> >
> > So sleep easy, if actually you are to believe that someone would
truly
> > want to try this.
> >
> >
> > Dan Metcalf wrote:
> >
> >
> >>I wonder if karlnet code could change the DSSS code
> >>
> >>
> >>
> >>>-----Original Message-----
> >>>From: Ivan Korshun [mailto:ivan@vector.kharkov.ua]
> >>>Sent: Thursday, May 13, 2004 2:14 PM
> >>>To: isp-wireless@isp-wireless.com
> >>>Subject: [isp-wireless] Re: DSSS security hole anounced
> >>>
> >>>Barry,
> >>>
> >>>It is known already more than 3 years ...
> >>>I have termed it a "sterilizer"
> >>>
> >>>Solution of a problem "sterilizer":
> >>>- change one bit in firmware PC card (Prism 2.5 e.t.s.)
> >>>or
> >>>- possibility to change the code DSSS by the user,
> >>> the code DSSS could be changed in firmware till 1997
> >>>
> >>>OFDM (802.11a/g) has much more problems than DSSS...
> >>>
> >>>-Ivan
> >>>
> >>>
> >>>
> >>>>Hello WISP,
> >>>>
> >>>> http://www.auscert.org.au/render.html?it=4091
> >>>>
> >>>> Affects DSSS systems. Also on slashdot......
> >>>>
> >>>>--
> >>>>Best regards,
> >>>>Barry mailto:isplists@whywait4wires.com
> >>>
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